Click on the picture above to visit our Store Description: We are pleased to offer you Small Genuine Russian USSR Leningrad Mathematical Measurement Ruler/Line In CaseCondition: The condition of the i

 

For sale is this vintage 1950's Pickett & Eckel, Inc. 12" Slide Rule - Model 800-ES - Includes leather case and handbook - Says "Chicago" on the slide rule - The date on the handbook's inside fron

 

 

4-1/4" tall, 2-1/16" diameter old clear glass chemical/laboratory bottle having raised frosted letters on front - Ammonium Chloride NH4 Cl Embossed on bottom - W. T. Co. K U.S.A. Has a glass stopper,

 

Vintage / Antique Potentiometer by Leeds & Northrup Co. Medical Equipment I don't know how old this is but I think Circa 20's, nor do I know what it does. ((( For International Shipping Please Con

 

Thiourea is also known as thiocarbamide. White, lustrous crystals with a density of 1.4 and a melting point of 180 degrees Celsius. Soluble in cold water. It's uses include - photography (removing sta

 

BLACK AND WHITE KALEIDOSCOPE Description View Full Size image View Full Size image View Full Size image View Full Size image View Full Size image View Full Size image**** MADE IN THE USA ****THIS LOVE

 

Vintage French Round Tortoiseshell Glasses in Case Pair of vintage c1930s French faux tortoiseshell glasses in very good condition They are in their original case and have normal light age/use wear wi

 

A great item that came from a medical instrument maker's workshop. Made by Laerdal Norway. Case is 24cm long. All seems to be in good working order. Happy to combine postage. Please see my other inter

 

Vintage eye wash cups made of three different materials, aluminum, glass, plastic. Aluminum is 1 1/2" x 1" x 1". No mark. Paneled glass is 1 3/4" x 1 1/8" x 2 1/4". G mark on bottom. Plastic is 1 1/2"